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11.5.1 Application
The provisions of Section 11.1 shall apply.
11.5.2 Number of Means of Egress
11.5.2.1
Piers used exclusively to moor cargo vessels and to store material shall be exempt from number of means of egress requirements where provided with proper means of egress from structures thereon to the pier and a single means of access to the mainland, as appropriate to the pier's arrangement.
11.5.2.2
Buildings on piers not meeting the requirements of 11.5.2.1 and occupied for other than cargo handling and storage shall be in accordance with both of the following:
  1. Means of egress shall be arranged in accordance with Chapters 12 through 43.
  2. One of the following measures shall be provided on piers extending over 150 ft (46 m) from shore to minimize the possibility that fire under or on the pier blocks the escape of occupants to shore:
    1. The pier shall be arranged to provide two separate ways to travel to shore, such as by two well-separated walkways or independent structures.
    2. The pier deck shall be open, fire resistive, and set on noncombustible supports.
    3. The pier shall be open, unobstructed, and not less than 50 ft (15 m) in width if less than 500 ft (150 m) long, or its width shall be not less than 10 percent of its length if more than 500 ft (150 m) long.
    4. The pier deck shall be provided with an approved automatic sprinkler system in accordance with Section 9.7 for combustible substructures and all superstructures.
    5. The sprinkler system specified in 11.5.2.2(2)(d) shall be supervised where required by the applicable occupancy chapter, Chapters 12 through 42.

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